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#include <iostream>
#include <string>
#include <fstream>
#include <iomanip>
using namespace std;
typedef struct UserRecord
{
string userID;
string password;
int PIN;
};
int ProcessFile (ifstream &, UserRecord []);
int CheckUsername (UserRecord [], int);
void CheckInfo (UserRecord [], int);
int main()
{
const int MAX_USERS = 50;
int actualUsers, usernameMatch;
ifstream inFile;
cout << "**********************************" << endl
<< "* Welcome to MyGreatWebsite.com! *" << endl
<< "**********************************" << endl;
inFile.open("users.txt");
if(inFile)
{
UserRecord loginInfo[MAX_USERS];
actualUsers = ProcessFile(inFile, loginInfo);
usernameMatch = CheckUsername(loginInfo, actualUsers);
CheckInfo(loginInfo, usernameMatch);
}
else
return 0;
}
int ProcessFile (ifstream & inFile, UserRecord userData[])
{
int currentUsers;
inFile >> currentUsers;
for(int count = 0; count < currentUsers; count++)
{
inFile >> userData[count].userID;
inFile >> userData[count].password;
inFile >> userData[count].PIN;
}
cout << " There are currently " << currentUsers << " active" << endl
<< " members on our website!" << endl << endl;
cout << "User ID" << setw(14) << "Password" << setw(12) << "PIN" << endl;
cout << "_______" << setw(14) << "________" << setw(13) << "____" << endl;
for (int count = 0; count < currentUsers; count++)
{
cout << userData[count].userID << setw(15) << userData[count].password << setw(13) << userData[count].PIN << endl;
}
return currentUsers;
}
int CheckUsername (UserRecord loginInfo[], int actualUsers)
{
string usernameAttempt;
string passwordAttempt;
int pinAttempt, loginAttempts = 0, index = 0, position = -1, MAX_ATTEMPTS = 3;
bool found = false;
cout << endl << " If you are one of the " << actualUsers << " active" << endl
<< "members on our site, please log in!" << endl << endl;
cout << "Please enter a valid User ID (no blanks!): ";
getline(cin, usernameAttempt);
cout << endl << "Please enter a valid password (no blanks!): ";
getline(cin, passwordAttempt);
cout << endl << "Please enter a valid PIN number: ";
cin >> pinAttempt;
do
{
while (index < actualUsers && !found)
{
if (loginInfo[index].userID == usernameAttempt)
{
if (loginInfo[index].password == passwordAttempt)
if(loginInfo[index].PIN == pinAttempt)
{
found = true;
position = index;
cout << index << "Hello";
}
}
index++;
}
loginAttempts++;
return position;
}
while (loginAttempts < MAX_ATTEMPTS && !position);
}
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